PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-01:58:10
G10     264.3          37.7               12.1 +/-    1.77      18.3 +/-    1.77  0.140 / 0.220
G13     43.0           19.5                8.4 +/-    1.43      18.8 +/-    1.43  0.120 / 0.230
G15     61.5           50.0                9.2 +/-    0.85      11.5 +/-    0.85  0.110 / 0.110
G16     283.3          13.1                7.5 +/-    2.00      19.6 +/-    2.00  0.100 / 0.140
G20     292.3          58.8               10.1 +/-    1.27      11.5 +/-    1.27  0.040 / 0.040
G21     356.5          69.7                9.6 +/-    0.61      10.1 +/-    0.61  0.040 / 0.040
G24     123.1          12.5                8.9 +/-    1.91      23.5 +/-    1.91  0.110 / 0.320
G27     320.3          15.7                6.8 +/-    1.22      16.6 +/-    1.22  0.100 / 0.280
G29     166.0          32.9               10.4 +/-    1.24      17.1 +/-    1.24  0.170 / 0.180